Abstract
Fifty-six patients with unexplained lymphocytosis were investigated with a panel of antibodies to lymphocyte surface antigens. In 23 the distribution of cell surface markers suggested reactive lymphocytosis. The remaining 33 patients showed a distribution of cell surface markers that indicated or suggested a diagnosis of B-cell lymphoproliferative disease. Two illustrative case reports show how such studies performed early in the investigation of unexplained lymphocytosis may permit earlier diagnosis of the underlying mechanism.
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Selected References
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